How the provincial government help local governments to effectively clean environmentz​

Provincial government regulate the country or nation at the center or federal levels.

Explanation:

The provincial government regulate the functionings of the local government which can further regulate the environmental pollution in the city, or locality. Industrial drainage, sewage drainage, and agricultural drainage must be restricted from entering into the water body preventing water pollution. Mandatory use of catalytic converters and prevention of industrial gas discharge by the local government can prevent air pollution.